Rajesh Uppal

Rajesh Uppal

  • Joined: January 29, 2016
  • Articles: 3530

Quantum Supremacy 2025: The Global Arms Race for Programmable Quantum Dominance

supermacy

Since the development of lasers and semiconductors in the 1950s, quantum phenomena have been at the heart of technological advancements, leading to modern computer technology.  However, these early quantum technologies primarily relied on classical bit-based descriptions. Today, we stand at…...

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Eternal Youth? Inside the 2025 Breakthroughs Revolutionizing Anti-Aging Science

anti ageing

We are undoubtedly living longer today than ever before, but medicine is no longer content with simply extending life—it now aims to enhance the quality of those additional years. Rather than chasing immortality, we’re focusing on extending healthspan—the years of…...

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Dragon’s Arsenal: China’s Expanding Defence Exports and the Global Balance of Power

china mil

  Over the past two decades, China has transitioned from a major arms importer to a growing global arms exporter, leveraging state-led innovation, military-industrial integration, and a flexible approach to foreign military sales. With increasing investments in indigenous defense capabilities,…...

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Beyond the Horizon: Advanced Propulsion and Deorbiting Technologies for Responsible CubeSat End-of-Life

photo 1534447677768 be436bb09401

CubeSats have emerged as game-changers in space exploration, offering an accessible, low-cost entry point for universities, startups, and governments alike. Their standardized, modular design allows rapid development and deployment for a wide range of missions, from remote sensing and atmospheric…...

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Photonic Integrated Circuits: Transformative Technologies and Applications for the Photonics Era

pic

Photonic Integrated Circuits (PICs) are transforming how we process, transmit, and interact with information by utilizing light instead of electrons. These advanced chips leverage photons to deliver ultra-fast data transmission, superior energy efficiency, and higher bandwidth than traditional electronic circuits.…...

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VLEO Beyond the Heat Shield: DARPA’s Quest for Spacecraft Skins That Defy Orbital Drag and Atomic Decay

vleo

The Inescapable Challenge of VLEO As the space domain becomes increasingly congested, contested, and competitive, the United States is turning its eyes to Very Low Earth Orbit (VLEO)—typically between 180 km and 450 km altitude—as the next frontier for tactical…...

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The Cutting Edge of Light Control: Nonlinear Optical Materials and Devices Revolutionizing Technology

nlo

Beyond Linearity: Fundamentals Reimagined Nonlinear optical (NLO) materials and devices manipulate light in ways that defy traditional physics—enabling quantum communication, photonic computing, and ultrafast sensing. Instead of behaving proportionally to incoming electromagnetic fields, these materials exhibit nonlinear responses when illuminated…...

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Beyond Silicon: Why Aluminum Nitride Could Revolutionize Power Electronics and UV Lasers

alnit

  The Promise Unlocked For decades, silicon has served as the cornerstone of semiconductor technology, but its performance falters under extreme thermal and electrical conditions. Enter aluminum nitride (AlN)—an ultrawide-bandgap (UWBG) material with a remarkable bandgap of 6.1 eV, placing…...

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Revolutionizing Hull Design: Engineering Ships for the Wind Propulsion Era

hull

Introduction: Hull Optimization at the Heart of Wind-Powered Shipping As the global shipping industry works to balance its pivotal role in trade with mounting environmental responsibilities, reducing greenhouse gas emissions has become an urgent priority. With maritime transport contributing nearly…...

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Orbital Armor: How Militaries Are Securing Satellite Communications Against Electronic Warfare and Cyber Threats

satcom

The Contested Space Domain In modern military operations, information dominance is paramount. Satellite communication systems play a critical role in maintaining beyond-line-of-sight (BLOS) connectivity, allowing widely distributed or forward-deployed units—such as special operations teams in remote theaters—to maintain constant contact…...

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